reservation

noun

• 1 [mass noun] the action of reserving something:the reservation of positions for non-Americans
• [count noun] an arrangement whereby something, especially a seat or room, is reserved for a particular person:do you have a reservation?
• (in church use) the practice of retaining a portion of the consecrated elements after Mass for communion of the sick or as a focus for devotion.

• 2an expression of doubt qualifying overall approval of a plan or statement:some generals voiced reservations about making air strikes

• 3an area of land set aside for occupation by North American Indians or Australian Aborigines: the boy’s family live on an Indian reservation

• 4 Law a right or interest retained in an estate being conveyed: the retention of a right to enter the demised property will be a reservation

• 5 [mass noun] (in the Roman Catholic Church) the action of a superior of reserving to himself the power of absolution.
• [count noun] a right reserved to the Pope of nomination to a vacant benefice.